Mattress cushion



FIG. 1 is a top plan view of a mattress cushion, showing our new design;

FIG. 2 is an elevational view of the right hand side thereof, theopposite left hand side being substantially identical;

FIG. 3 is an elevational view of the top side thereof;

FIG. 4 is an elevational view of the bottom side thereof;

FIG. 5 is an enlarged fragmentary top side perspective view taken in the area designated by numeral 5 in FIG. 1;

FIG. 6 is an enlarged fragmentary view in side elevation taken in the area designated by numeral 5 in FIG. 1;

FIG. 7 is an enlarged fragmentary top side perspective taken in the area designated by numeral 7 in FIG. 1;

FIG. 8 is an enlarged fragmentary view in side elevation taken in the area designated by numeral 7 in FIG. 1;

FIG. 9 is an enlarged fragmentary top side perspective view taken in the area designated by numeral 9 in FIG. 1; and,

FIG. 10 is an enlarged fragmentary view in side elevation taken in the area designated by numeral 9 in FIG. 1.

The bottom of the mattress cushion opposite the side shown in FIG. 1, is flat and unornamented. 

The ornamental design for a mattress cushion, as shown and described. 